3H3U

Crystal structure of CRP (cAMP receptor Protein) from Mycobacterium tuberculosis


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.52770.2M Lithium Sulphate, 15% Ethanol, 0.1M Sodium Citrate, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
2.3347.24

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 54.064α = 90
b = 84.618β = 90
c = 101.215γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray94CCDMAR CCD 130 mm2005-10-24MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONELETTRA BEAMLINE 5.2R1.0ELETTRA5.2R

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
12.933.8699.90.0816.215.6107321072341.67
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
2.93.20.2735.11056

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTPDB ENTRY 3D0S2.933.3191.35107321072351499.50.22650.2230.296644.556
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
12.254-5.314-8.594
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d14.706
f_angle_d0.631
f_bond_d0.004
f_plane_restr0.002
f_chiral_restr
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3328
Nucleic Acid Atoms
Solvent Atoms38
Heterogen Atoms32

Software

Software
Software NamePurpose
HKL-2000data collection
AMoREphasing
PHENIXrefinement
DENZOdata reduction
SCALEPACKdata scaling